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0 dB is defined as the THRESHOLD OF HEARING, and it is with reference to this internationally agreed upon quantity that decibel measurements are made. In some situations, such as tape recording, a given intensity level is assigned 0 dB, and other levels are measured in negative decibels in comparison to it.
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www.sfu.ca/sonic-studio/handbook/Decibel.html
www.sfu.ca/sonic-studio/handbook/Decibel.html
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dB, dBA, dBC, dBV, dBm and dBi? What are they all? How are they related to loudness, to phons and to sones? This page describes and compares them all and gives sound file examples. A related page allows you to measure your hearing respon...
http://www.phys.unsw.edu.au/jw/dB.html
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The decibel (abbreviated dB) is the unit used to measure the intensity of a sound. The decibel scale is a little odd because the human ear is incredibly sensitive. Your ears can hear everything from your fingertip brushing lightly over your skin to a loud jet engine.
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www.howstuffworks.com/question124.htm
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DECIBEL (dB). The Decibel is a subunit of a larger unit called the bel. As originally used, the bel represented the power ratio of 10 ...
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www.tscm.com/decibel.pdf
www.tscm.com/decibel.pdf
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Background information about decibels (dB), including what they are, how they are measured and how these measurements relate to daily life. ... What is a Decibel (dB)?
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trace.wisc.edu/docs/2004-About-dB/
trace.wisc.edu/docs/2004-About-dB/
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The Decibel is a subunit of a larger unit called the bel. As originally used, the bel representedthe power ratio of 10 to 1 between the strength or intensity i.e., power, of two sounds, ... Since the bel is a rather large unit, its use may prove inconvenient. Usually a smaller unit, theDecibel or dB, is used.
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www.montagar.com/~patj/decibel-mil.htm
www.montagar.com/~patj/decibel-mil.htm
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Decibel DB-224 Series product reviews by real people like you. Only at eHam.net. - eHam.net is a Web site dedicated to ham radio (amateur radio). ... Reviews Summary for Decibel DB-224 Series...
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www.eham.net/reviews/detail/2083
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MySpace Music profile for Decibel - dB. Download Decibel - dB Techno / Trance / Hard House music singles, watch music videos, listen to free streaming mp3s, & read Decibel - dB's blog. ... Decibel - dB; Techno / Trance / Hard House...
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www.myspace.com/decibeldecibel
www.myspace.com/decibeldecibel
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MySpace Music profile for Decibel (dB) Live Every 1st Tuesday. Download Decibel (dB) Live Every 1st Tuesday Club / Jazz / Soul music singles, watch music videos, listen to free streaming mp3s, & read Decibel (dB) Live Every 1st Tuesday's blog. ... Decibel (dB) Live Every 1st Tuesday; Club / Jazz / Soul...
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www.myspace.com/phillycontactsonly
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